Absorption and Porosity Test The absorption and porosity graph in Figure 6 shows an increasing trend of absorption and porosity in the mortars after 28 days, in accordance with the increase in the replacement of sand by plastic waste in each formulation.
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Study of Metakaolinite Geopolymeric Mortar with Plastic Waste Replacing the Sand: Effects on the Mechanical Properties, Microstructure, and Efflorescence.
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